Ball point pen



FIG. 1 is a front view of the ball point pen showing my new design, the rear view being identical thereto;

FIG. 2 is a right side view thereof, the left side view being identical thereto;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view showing the ball point pen in a status during use; and,

FIG. 5 is a perspective view of the ball point pen. 

The ornamental design for a ball point pen, as shown and described. 